這篇文章主要介紹了Yii2 RESTful中api的使用及開(kāi)發(fā)實(shí)例詳解的相關(guān)資料,需要的朋友可以參考下

單鏈表是一種鏈?zhǔn)酱嫒〉臄?shù)據(jù)結(jié)構(gòu)，用一組地址任意的存儲(chǔ)單元存放線(xiàn)性表中的數(shù)據(jù)元素。

單鏈表簡(jiǎn)介

鏈表中的數(shù)據(jù)是以結(jié)點(diǎn)來(lái)表示的，每個(gè)結(jié)點(diǎn)的構(gòu)成：元素(數(shù)據(jù)元素的映象) + 指針(指示后繼元素存儲(chǔ)位置)，元素就是存儲(chǔ)數(shù)據(jù)的存儲(chǔ)單元，指針就是連接每個(gè)結(jié)點(diǎn)的地址數(shù)據(jù)。

關(guān)鍵代碼如下所示：

<?php

/**

* 單鏈表

*/

class Demo

{

private $id;

public $name;

public $next;

public function __construct ($id = '', $name = '')

{

$this->id = $id;

$this->name = $name;

}

static public function show ($head)

{

$cur = $head;

while ($cur->next) {

echo $cur->next->id,'###',$cur->next->name,'<br />';

$cur = $cur->next;

}

echo '<hr />';

}

//尾插法

static public function push ($head, $node)

{

$cur = $head;

while (NULL != $cur->next) {

$cur = $cur->next;

}

$cur->next = $node;

return $head;

}

static public function insert($head, $node)

{

$cur = $head;

while (NULL != $cur->next) {

if ($cur->next->id > $node->id) {

break;

}

$cur = $cur->next;

}

$node->next = $cur->next;

$cur->next = $node;

return $head;

}

static public function edit($head, $node)

{

$cur = $head;

while (NULL != $cur->next) {

if ($cur->next->id == $node->id) {

break;

}

$cur = $cur->next;

}

$cur->next->name = $node->name;

return $head; 

}

static public function pop ($head, $node)

{

$cur = $head;

while (NULL != $cur->next) {

if ($cur->next == $node) {

break;

}

$cur = $cur->next;

}

$cur->next = $node->next;

return $head; 

}

}

$team = new Demo();

$node1 = new Demo(1, '唐三藏');

Demo::push($team, $node1);

$node1->name = '唐僧';

Demo::show($team);

// Demo::show($team);

$node2 = new Demo(2, '孫悟空');

Demo::insert($team, $node2);

// Demo::show($team);

$node3 = new Demo(5, '白龍馬');

Demo::push($team, $node3);

// Demo::show($team);

$node4 = new Demo(3, '豬八戒');

Demo::insert($team, $node4);

// Demo::show($team);

$node5 = new Demo(4, '沙和尚');

Demo::insert($team, $node5);

// Demo::show($team);

$node4->name = '豬悟能';//php對(duì)象傳引用，所以Demo::edit沒(méi)有必要

// unset($node4);

// $node4 = new Demo(3, '豬悟能');

// Demo::edit($team, $node4);

Demo::pop($team, $node1);

Demo::show($team);

以上所述是小編給大家介紹的PHP單鏈表的實(shí)現(xiàn)代碼，希望對(duì)大家有所幫助